/Engine/Source/Runtime/Engine/Public/GPUSkinVertexFactory.h
bool UpdateBoneData &40; FRHICommandListImmediate & RHICmdList, const TArray< FMatrix44f > & ReferenceToLocalMatrices, const TArray< FBoneIndexType > & BoneMap, uint32 RevisionNumber, bool bPrevious, ERHIFeatureLevel::Type FeatureLevel, bool bUseSkinCache, bool bForceUpdateImmediately, const FName & AssetPathName &41;